Engine Coolant
The cooling system in the vehicle for all engines and the intercooler is filled with DEX-COOL®. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first.
The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating.
See also:
Onstar.com
The website provides access to
account information, manages the
OnStar subscription, and allows
viewing of videos of each service.
Get subscription plan pricing and
sign up for OnStar Vehicle ...
Front Seats
The front seats have adjustable head restraints in the outboard seating positions.
The height of the head restraint can be adjusted. Pull the head restraint up
to raise it. Try to move the head r ...
Remote Vehicle Start
With this feature the engine can be started from outside of the vehicle. ...






